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CONTROL WIRING
This shows a basic Heating and Domestic hot water system as shown on the first page.
Connections are made into the terminal blocks on the internal MIM wiring center.
Be sure to run the Communication cable separately to all of the other cables to avoid electrical
interference with the control circuit. This Communication Cable should also be screened
0.75mm cable.
We recommend taking the immersion heater is taken trough a point of local isolation.
The tank hot water sensor is a Samsung specific part and not a generic item and connects to
CNS042.
Please confirm all details with the relevant Samsung installation manuals.
All electrical wiring must be carried out by a competent electrician in accordance with local and
national regulations.
Make sure the immersion heater thermostat is set to maximum, when been used as Booster
Heater.
6
www.seconrenewables.com
230VAC
20A
3kW Tank
Booster
Heater
PWM Primary
Pump 230VAC
100W less than
0.5a
Secondary
Shunt Pump DO
NOT CONNECT
DIRECT Via
contactor and
3A supply or B8
if less than
100w less than
0.5a
0191 516 6553
info@seconrenewables.com
Flow Sensor
CN5057
Tank Sensor
CN3042
F4
Remote
Controller
F3
F2
Outdoor Unit
F1
PWM Primary
Ground
Pump Signal
Signal
CN5002
B22
D20
Room Stat
DHW High Limit
3
Way
Valve
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